public void AddReturnedLoan(Loan returnedLoan)
{
var returnLoan = new ReturnedLoans();
returnLoan.BookCopyID = returnedLoan.BookCopyID;
returnLoan.BookCopy = returnedLoan.BookCopy;
returnLoan.Delayed = returnedLoan.Delayed;
returnLoan.Fine = returnedLoan.Fine;
returnLoan.MemberID = returnedLoan.MemberID;
returnLoan.Returned = returnedLoan.Returned;
loanService.AddReturnedLoan(returnLoan);
}